Answer: Low-pressure systems are associated with clouds and precipitation that minimize temperature changes throughout the day, whereas high-pressure systems normally associate with dry weather and mostly clear skies with larger diurnal temperature changes due to greater radiation at night and greater sunshine during the day.
If I remember A biography should be the correct answer
The answer is going to be c.
A. Right off the bat because the main purpose is the keep a check on the weather, seeing if it's a storm developing or just to collect data and compare with past/ recent data.